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Event Study
An event study is a statistical and econometric method to assess the impact of events on outcome variables. The event is also framed as a "treatment". As the event methodology can be used to elicit the effects of any type of event on the direction and magnitude of any outcome variable, it is very versatile. Event studies are thus common to various research areas, such as accounting and finance, management, economics, marketing, information technology, law, political science, operations and supply chain management. One aspect often used to structure the overall body of event studies is the breadth of the studied event types. On the one hand, there is research investigating the stock market responses to economy-wide events (i.e., market shocks, such as regulatory changes, or catastrophic events like war). On the other hand, event studies are used to investigate the stock market responses to corporate events, such as mergers and acquisitions, earnings announcements, debt or equity i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
:statistics
Statistics (from German: ', "description of a state, a country") is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data. In applying statistics to a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a statistical model to be studied. Populations can be diverse groups of people or objects such as "all people living in a country" or "every atom composing a crystal". Statistics deals with every aspect of data, including the planning of data collection in terms of the design of surveys and experiments. When census data (comprising every member of the target population) cannot be collected, statisticians collect data by developing specific experiment designs and survey samples. Representative sampling assures that inferences and conclusions can reasonably extend from the sample to the population as a whole. An experimental study involves taking measurements of the syst ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2008 Financial Crisis
The 2008 financial crisis, also known as the global financial crisis (GFC), was a major worldwide financial crisis centered in the United States. The causes of the 2008 crisis included excessive speculation on housing values by both homeowners and financial institutions that led to the 2000s United States housing bubble, exacerbated by predatory lending for subprime mortgages and deficiencies in regulation. Cash out refinancings had fueled an increase in consumption that could no longer be sustained when home prices declined. The first phase of the crisis was the subprime mortgage crisis, which began in early 2007, as mortgage-backed securities (MBS) tied to U.S. real estate, and a vast web of Derivative (finance), derivatives linked to those MBS, collapsed in value. A liquidity crisis spread to global institutions by mid-2007 and climaxed with the bankruptcy of Lehman Brothers in September 2008, which triggered a stock market crash and bank runs in several countries. The crisis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Post Earnings Announcement Drift
Post, POST, or posting may refer to: Postal services * Mail, the postal system, especially in Commonwealth of Nations countries ** An Post, the Irish national postal service ** Canada Post, Canadian postal service ** Deutsche Post, German postal service ** Iraqi Post, Iraqi postal service ** Russian Post, Russian postal service ** Hotel post, a service formerly offered by remote Swiss hotels for the carriage of mail to the nearest official post office **United States Postal Service or USPS ** Parcel post, a postal service for mail that is heavier than ordinary letters Work * Post, a job or occupation Newspaper * '' The Manica Post'' Regional newspaper in Manicaland province, Zimbabwe * '' The Rakyat Post'' Malaysian online daily newspaper * '' Bangkok Post'' English language newspaper in Thailand Architecture and structures * Lamppost, a raised source of light on the edge of a road * Post (structural), timber framing * Post and lintel, a building system * Scratch post * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Federal Trade Commission
The Federal Trade Commission (FTC) is an independent agency of the United States government whose principal mission is the enforcement of civil (non-criminal) United States antitrust law, antitrust law and the promotion of consumer protection. It shares jurisdiction over federal civil antitrust law enforcement with the United States Department of Justice Antitrust Division, Department of Justice Antitrust Division. The agency is headquartered in the Federal Trade Commission Building in Washington, DC. The FTC was established in 1914 by the Federal Trade Commission Act of 1914, Federal Trade Commission Act, which was passed in response to the 19th-century monopolistic trust crisis. Since its inception, the FTC has enforced the provisions of the Clayton Antitrust Act of 1914, Clayton Act, a key U.S. antitrust statute, as well as the provisions of the FTC Act, et seq. Over time, the FTC has been delegated with the enforcement of additional business regulation statutes and has promul ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Office Depot
The ODP Corporation is an American office supply retailer headquartered in Boca Raton, Florida. The company operates 922 retail stores in the United States under the Office Depot and OfficeMax brands, as well as e-commerce sites and a business-to-business sales organization. The company has combined annual sales of approximately $7 billion, and employs about 45,000 people in the United States. History Office Depot was founded in by F. Patrick Sher, Stephen Dougherty, and Jack Kopkin, who became the company's chairman and chief executive officer, the president, and executive vice president respectively. All three were formerly associated with Mr. HOW Warehouse, a home improvement company that Sher sold to Service Merchandise in 1983. The first store, located at the Lakes Mall in Lauderdale Lakes, Florida, opened in October 1986. The company announced its initial public offering of stock, and went public in December 1988. Mergers and acquisitions In April 1991, it merged ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Staples, Inc
Staples Inc. is an American office supply retail company headquartered in Framingham, Massachusetts. Founded by Leo Kahn and Thomas G. Stemberg, the company opened its first store in Brighton, Massachusetts on May 1, 1986. By 1996, it had reached the Fortune 500, and it later acquired the office supplies company Quill Corporation. In 2014, in the wake of increasing competition from e-commerce market, Staples began to close some of its locations. In 2015, Staples announced its intent to acquire Office Depot and OfficeMax. However, the purchase was blocked under antitrust grounds due to the consolidation that would result. After the failed acquisition, Staples began to refocus its operations to downplay its brick-and-mortar outlets and place more prominence on its business-to-business (B2B) services. In 2017, after its sale to Sycamore Partners, the company was effectively split into three "independently managed and capitalized" entities sharing the Staples name, separati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Merger
Mergers and acquisitions (M&A) are business transactions in which the ownership of a company, business organization, or one of their operating units is transferred to or consolidated with another entity. They may happen through direct absorption, a merger, a tender offer or a hostile takeover. As an aspect of strategic management, M&A can allow enterprises to grow or downsize, and change the nature of their business or competitive position. Technically, a is the legal consolidation of two business entities into one, whereas an occurs when one entity takes ownership of another entity's share capital, equity interests or assets. From a legal and financial point of view, both mergers and acquisitions generally result in the consolidation of assets and liabilities under one entity, and the distinction between the two is not always clear. Most countries require mergers and acquisitions to comply with antitrust or competition law. In the United States, for example, the Clayt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Matlab
MATLAB (an abbreviation of "MATrix LABoratory") is a proprietary multi-paradigm programming language and numeric computing environment developed by MathWorks. MATLAB allows matrix manipulations, plotting of functions and data, implementation of algorithms, creation of user interfaces, and interfacing with programs written in other languages. Although MATLAB is intended primarily for numeric computing, an optional toolbox uses the MuPAD symbolic engine allowing access to symbolic computing abilities. An additional package, Simulink, adds graphical multi-domain simulation and model-based design for dynamic and embedded systems. , MATLAB has more than four million users worldwide. They come from various backgrounds of engineering, science, and economics. , more than 5000 global colleges and universities use MATLAB to support instruction and research. History Origins MATLAB was invented by mathematician and computer programmer Cleve Moler. The idea for MATLAB was base ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
STATA
Stata (, , alternatively , occasionally stylized as STATA) is a general-purpose Statistics, statistical software package developed by StataCorp for data manipulation, visualization, statistics, and automated reporting. It is used by researchers in many fields, including biomedicine, economics, epidemiology, and sociology. Stata was initially developed by Computing Resource Center in California and the first version was released in 1985. In 1993, the company moved to College Station, Texas and was renamed Stata Corporation, now known as StataCorp. A major release in 2003 included a new graphics system and dialog boxes for all commands. Since then, a new version has been released once every two years. The current version is Stata 19, released in April 2025. Technical overview and terminology User interface From its creation, Stata has always employed an integrated command-line interface. Starting with version 8.0, Stata has included a graphical user interface which uses Menu ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MS Excel
Microsoft Excel is a spreadsheet editor developed by Microsoft for Microsoft Windows, Windows, macOS, Android (operating system), Android, iOS and iPadOS. It features calculation or computation capabilities, graphing tools, pivot tables, and a macro (computer science), macro programming language called Visual Basic for Applications (VBA). Excel forms part of the Microsoft 365 and Microsoft Office suites of software and has been developed since 1985. Features Basic operation Microsoft Excel has the basic features of all spreadsheets, using a grid of ''cells'' arranged in numbered ''rows'' and letter-named ''columns'' to organize data manipulations like arithmetic operations. It has a battery of supplied functions to answer statistical, engineering, and financial needs. In addition, it can display data as line graphs, histograms and charts, and with a very limited three-dimensional graphical display. It allows sectioning of data to view its dependencies on various factors ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Law360
Law360 is a subscription-based, legal news service based in New York City. It is operated by Portfolio Media, Inc., a subsidiary of LexisNexisSabroski, Suzxanne (May 1, 2012) LexisNexis goes 360, ''Onliline'' and delivers breaking news and analysis to more than 2 million U.S. legal professionals across 60 practice areas, industries and topics, including a free section dedicated to Access to Justice, which reports on "access of individuals and disadvantaged populations to adequate, equitable, and essential criminal and civil justice systems as well as the noteworthy initiatives and individuals who promote such a cause." Since 2003, Law360 has expanded its layout and organization, adding special sections on various topics supplementing the daily news, editorial analysis, business of law, and features. Since 2022, Law360 has been organized into the following sections: Law360 U.S., Law360 U.K., Law360 Pulse, Law360 Tax Authority, Law360 Employment Authority, Law360 Insurance Authority ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volatility (finance)
In finance, volatility (usually denoted by "sigma, σ") is the Variability (statistics), degree of variation of a trading price series over time, usually measured by the standard deviation of logarithmic returns. Historic volatility measures a time series of past market prices. Implied volatility looks forward in time, being derived from the market price of a market-traded derivative (in particular, an option). Volatility terminology Volatility as described here refers to the actual volatility, more specifically: * actual current volatility of a financial instrument for a specified period (for example 30 days or 90 days), based on historical prices over the specified period with the last observation the most recent price. * actual historical volatility which refers to the volatility of a financial instrument over a specified period but with the last observation on a date in the past **near synonymous is realized volatility, the square root of the realized variance, in turn c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
